the office for national statistics said the biggest contributor to rising inflation was transport, with average petrol prices rising by i2.6p per litre between february and march, the largest monthly rise since records began in 1990. our business correspodnet nina warhurst is at a market in birmingham. inflation for the month of march hitting 7%, that is higher than was predicted, driven fundamentally by an increase in fuel prices. you will all remember how quickly fuel prices went up in march and it is set to continue and there will be a trickle down to the entire economy. good morning. where have you seen the biggest increases? the morning. where have you seen the biggest increases? biggest increases? the biggest increase we biggest increases? the biggest increase we notice biggest increases? the biggest increase we notice is biggest increases? the biggest increase we notice is in - biggest increases? the biggest increase we notice is in salads, tomatoes, cucumber and lettuce.